BYJUS SCIENCE GRADE 2 Flashcards
1
Q
What is the medicinal role of a clove
A
Helps in Toothache
2
Q
Name this flower
A
Chamomile
3
Q
What is the importance of Chamomile flowers
A
Used in tea and helps to release stress
4
Q
Turmeric is a stem
True or false
A
Turmeric is a root
5
Q
What are the health benifits of turmeric
A
Helpful in flu and colds
6
Q
Name this herb
A
Basil
7
Q
What are the medical uses of Basil
A
Stomach problems
8
Q
The Traditional Italian Pizza uses which herb
A
Basil
9
Q
The brightest object in the night sky is the
A
Moon
10
Q
Why dont we see the stars in the day sky
A
Because the sun is very bright
11
Q
The sun appears to move from
A
East to west
12
Q
When the sun is right at the centre it is known as
A
Noon
13
Q
Name the structure on the tongue that gives us the sense of taste
A
Taste buds
14
Q
The tiny bumps on the tongue are known as
A
Papillae
15
Q
The taste buds contain tiny hair like structures that allow us to taste food
True or False
A
True
16
Q
Animals with back bones are called
A
Vertebrates
17
Q
Animals that do not have a back bone are Known as
A
Invertebrates
18
Q
Do the invertebrates have a skeleton
A
No
19
Q
Most of the animals on earth are Vertebrates
True or false
A
False
Most of the animals on earth are invertebrates
20
Q
Name this creature
A
Star Fish
21
Q
Name this sea creature
A
Jelly Fish
22
Q
Name this sea creature
A
Octopus
23
Q
Name three water invertebrates
A
- Star fish
- Jelly Fish
- Octopus
24
Q
Invertebrates breathe through tiny openings all over the body is called
A
Spiracles
25
Invertebrates are cold blooded creatures
True or false
True
26
What is Force
Force is something that changes the motion of an object
27
There are two kinds of Force
Push and Pull
28
Force can change the direction of an object
True or False
True
29
What makes up a balanced diet
1. Carbohydrate
2. Protein
3. fat
4. Vitamins
5. Monerals
30
Name this food
Pasta
31
Pasta is a carbohydrate
True or false
True
32
Name a fruit which is rich in healthy fats
Avocado
33
Eggs contains ?
Proteins
34
Name a Vegetable that is rich in vitamins and minerals
Broccoli
35
What is a Landform
It is the form or shape that the earth takes
36
Is mountain a Landform
Yes
37
The highest point on the mountain is called a
Peak
38
Name a landform made of soil and rocks
Mountain
39
Mountain peaks can be covered with
Snow
40
Name the tallest mountain in the world
Mount Everest
41
Mountains are found in chains. this chain of mountains is known as
Mountain Range
42
Land between hills or mountains, typically with a river or stream flowing through it.
Valley
43
Is valley a Landform
Yes
44
A group of stars that are joined together by imaginary lines is called
Constellations
45
How many fixed constellation are there
88
46
Fishes breathe underwater with the help of
Gills
47
Humans breathe with the help of
Lungs
48
Name the worlds oldest vertebrates
Fish
49
The three important features of a vertebrates
1. have a protective skin covering
2. Have lungs or gills for breathing
3Use fins, legs or wings for movement
50
Are insects vertebrates or invertebrates
Invertebrates
51
Most insect have a hard covering called
Exoskeleton
52
An insects body is divided into three parts. name them
1. Head
2. thorax
3. Abdomen
53
Name an insect which have a very strong sense of smell
Bees
54
Do bees have a nose
No
55
How do most of the insects smell
with a pair of antenna
56
The antennae are attached to which part of the insects body
Head
57
Name this insect
Cricket
58
How do crickets make a chirping sound
By rubbing their wings together
59
name three insects that cannot fly
1. Ants
2,Termites
3. Fleas
60
Name this insect
Termites
61
Name this insect
Flea
62
All adult insects have how many legs
six
63
The legs of the adult insect are attached to which part of the insect
Thorax
64
Why do the fireflies glow
They have a chemical that helps them glow
65
Most insects hatch from
Eggs
66
This flat and broad area on the earth is called a
Plain
67
Name this major landform on Earth
PLAIN
68
This liquid rock come from the inside of a volcano is called
Lava
69
The first Plains on earth was created by
Lava. Called as Lava Plains
70
What are Flood Plains
Ice and water flows down slopes of mountains and gets deposited on the land
71
Name a sense organ that helps us to touch and feels things
Skin
72
Name the five sense organs
1. Nose
2. Eyes
3. ears
4. Tongue
5. Skin
73
How long does the earth take to rotate round its own axis
24 hours
74
Substances that are very hard and are very strong are called
Metals
75
What are the three states of matter
1. Solids
2. Liquids
3. gases
76
The hottest part of the day is the
Noon
77
Is the time of sunrise or sunset fixed or does it change a little bit everyday
It changes a little bit everyday
78
Name a few woolen clothes
1. Ear Muffs
2. Gloves
3. Winter boots
79
Some birds and insects move to warm places during winter. This is known as
MIGRATION
80
Gives two examples of animals that Migrate during winter
1. Monarch Butterfly
2. Humming birds
81
Name this butterfly
Monarch Butterfly
82
Some animals go into a deep long sleep during winter to save themselves from the cold . This is called
HIBERNATION
83
Name two animals that Hibernate
Bats and bears
They hibernate in caves
84
Why do winter roofs have to be sloping
Flat roofs will collapse under the weight of the snow
85
Winter homes should not be bult of stones
Because stone allows heat to escape out
86
What is an igloo made up of
Ice blocks
air is trapped in them and the air is an insulator of heat
87
Slanting roofs allows snow to slide off. This type of a roof is called
Gable roof
88
Can winter homes be made of wood
Yes. Wooden walls does not allow the heat inside to escape out
89
In winter are the days shorter or longer
Shorter
90
Is the earths axis straight or tilted
Tilted
91
Why do we get seasons
Because the earth revolves around the sun on a tilted axis
92
Why are days shorter in winter
The path taken by the sun from east to west is much shorter
93
When the temperature is high it is cold
True or False
False
When the temperature is high it is hot
94
At what temperature does water freeze to become ice
zero degree celcius
95
How many layers of clothing should we wear during winter
Three layers
1. Inner layer...Silk
2. Middle layer...wool
3. Outer layer....Jacket
96
Why should we wear loose clothes during winter
Loose clothing traps the heat inside
97
Name the four seasons in the correct order
1. Summer
2. Autumn
3. Winter
4. Spring
98
What is the importance of a Sun Screen
It protects our skin from damage by the sun
99
What are the requirements for Summer Wear
1. Sun Glasses
2. Light coloured cotton clothes
3. Sun screen
4. Water bottle
100
Why should we wear light coloured summer clothes
Light colours do not absorb heat
101
Name the fruits that should be eaten during summer
Watermelon
Berries
Melons
102
Name this fruit
Melons
103
Name a vegetable to be eaten in summer
Cucumber
104
what is a afternoon nap also known as
Siesta
105
When its too hot outside what should you do
Stay Indoors
106
Name the hottest season
Summer
107
Name summer foods that contain a lot of water
1. Watermelon
2. Tomatoes
3. Mangoes
4. berries
5. Cucumber
6. Plums
108
Name two cereals grown in summer
Rice and Maize
109
Name the juices to be had in summer
1. Lemonade
2. Tender coconut water
3.Water
110
When you cant predict what is going to happen it is called
Unpredictable
111
Name a season that can be unpredictable
Spring
In spring the weather can sunny, cloudy and rainy
112
Name a few spring diseases
1. Pink eye
2. Pollen allergy
3.Stomach bug
4,Flu
113
What brings about rain
The changes in the wind pattern
114
What is BREAK IN MONSOON
When it does not rain for a week in the monsoon
115
When does the monsoon season start
June till september
116
Most common disease during the monsoons is
Flu
117
Name two diseases that occur in the monsoons
1. Flu
2. Typhoid
118
How does the disease typhoid spread
Through food and water
119
Crops grown between June to september are called
KHARIF CROPS
120
Name the KHARIF CROPS
1,Rice
2. Maize
3. Cacao
4. Soybeans
121
Chocolate is obtained from which tree
Cacao Plant
122
The cacao plant gives beans called
Cocoa Beans
123
Name the Vegetables that grow during the monsoon
1. Fiddlehead fern
2. Alami Mushroom
3. Teasel Gourd
124
Name this vegetable
Fiddlehead Fern
125
rain sometimes carries strong winds with it
True or False
True
126
Name some rain wear
1. Umbrella
2. rain coat
3. Gumboots
127
The green pumpkin once ripened changes its colour to
Orange Pumpkin
128
Name this sea creature
Squid
129
Squid is an invertebrate
True or false
True
130
Name this living creature
Coral
131
Corals looks like beautiful plants or rocks. To which Kingdom do corals belong
Animal Kingdom
Corals are animals
132
Corals are made up of thousands of tiny animals called
Polyps
133
Corals are vertebrates
True or False
False
Corals are invertebrates
134
The largest coral reef in the world is the
Australian Great barrier Reef
135
The sound made by cows is called
Bawl
136
The sound made by cats
Purr
137
The sound made by Bears
Growl
138
The sound made by Dogs
Bark
139
The sound made by a Horse
Neigh
140
The sound made by a Lion
Roar
141
The sound made by a Sheep
Bleat
142
The BACKBONE is also known as
Spine
143
What are the three features of a mammal
1. They give birth to live young ones
2. They feed on their mothers milk
3. Their bodies have fur or hair
144
Name this animal
Gazelle
145
Give four examples of mammals
1. gazelle
2. Dogs
3. cats
4. Humans
146
Animals that can live on water as well as land are known as
Amphibians
147
Name this creature
Caecelian
148
Name this animal
Salamander
149
Name three amphibians
1. Frogs
2. Salamander
3. Caecelian
150
Who are reptiles
Reptiles are invertebrates who have a special skin made of hard and dry scales
151
Give five examples of reptiles
1. Lizards
2. Snakes
3. Crocodiles
4. Chameleon
5. Turtles
152
Do reptiles lay eggs
Yes
153
Name the five different types of vertebrates
1. mammals
2. fish
3. Reptiles
4. Birds
5. Amphibians
154
What are the five characteristics of all Living Things
G... they Grow
R....they Reproduce
E.....they Eat
A.....they breathe (Air)
T.....transport (they move)
155
name diseases spread by Mosquitoes
1. Malaria
2. Dengue
3. Yellow fever
4. Chikungunya
156
How do the Humming birds make the Hummning sound
They use their wings
157
How do the rattle snakes make their rattling sound
With their tail
158
The sound made by elephants is called
Trumpet
159
How do Crickets make their chirping sound
By rubbing their wings
160
Young ones of animals are called
Offspring
161
How do animals give birth to Young ones
1. By laying eggs
2. Giving birth to live offspring
162
A male deer is called a
Buck
163
A female deer is called a
Doe
164
The young one of a deer is called a
Fawn
165
Deer gives birth to live offsprings
True or false
True
166
An elephant lays eggs
True or false
False
An elephant gives birth to live offsprings
167
Of all the animals in the world which baby animal takes the longest to be born
Elephant
They grow in their mothers bellies for 2 years
168
The papa elephant is known as a
Bull
169
The Mama Elephant is known as a
Cow
170
The Baby elephant is known as a
Calf
171
Crocodiles lay eggs
True or false
True
172
name one of the fastest birds
The Bald eagle
173
The worlds largest bird
Ostrich
174
Birds have teeth
True or false
False
Birds have a beak
175
Birds are able to fly because
1. They have light weight bodies
2. They have hollow bones
3. They flap their wings contonously
176
What is the importance of feathers in a bird
1. they help to fly
2. keep the birds warm
177
The pointy part of the bird is the
Beak
178
What is the importance of the Tail in a bird
It helps the bird balance
179
Based on the type of food they eat birds are classified as
1. Seed eating birds
2. fruit eating birds
3. Insect eating birds
4. nectar eating birds
180
Name this seed
Golden millet
181
Name these seeds
Sunflower seeds
182
The seed eating birds eat which seeds
1. Sunflower seeds
2. Golden Millets
3. Peanuts
183
Name this bird
American Gold Finch
184
Name this bird
Blackfaced Waxbill
185
Name this bird
Common redpoll
186
Name three seed eating birds
1. American Gold Finch
2. Blackfaced waxbill
3. Common Redpoll
187
Name this bird
Sunbird
188
Name this bird
Bananaquit
189
Name three Nectar eating birds
1. Sunbird
2. Bananaquit
3. Hummingbird
190
Name some Fruit eating birds
1. Parrots
2. American Robin
3. Wax wing
191
Name this bird
Wax Wing
192
Fruit eating birds eat what type of fruits
1. Apples
2. Oranges
3. Cherries
193
Name this bird
American wood cock
194
Name this bird
Blackbird
195
Name three insect eating birds
1. Owl
2. Blackbird
3. American wood cock
196
These chambers found on tree trunks are called
Cavity Nests
197
Birds that make cavity nests
1. Woodpeckers
2. Sparrows
198
This nest made from large twigs and sticks is called a
Platform Nest
199
Name this bird
Osprey
200
These nests made by digging into the ground using their feet and beaks is called
Burrow nest
201
Birds that live in Burrow nests
Kingfisher
202
This nest built on the ground from mud, branches, sticks, twigs and leaves is called a
Mound Nest
203
Birds that make a mound Nest
1. Flamingos
2. Megapodes
204
This cup shaped nest made of flexible material mixed with mud and saliva is called
Cup Nest
205
Name this bird
Canary
206
Birds that make a cup Nest
1. Humming Bird
2. Canary
207
How do most insects move
They walk
208
Most of the insects are Herbivores
True or False
True
209
Name an insect who eats other insects
Praying Mantis
210
Are mosquitoes carnivorous
Yes
They drink blood
211
Insects live on every habitat on earth
True or False
True
212
Name this insect
Hornet
213
Name two insects that live in nests which looks like large paper rolls
1. Hornet
2. Wasp
214
These ants live in complicated nests. Name them
Weaver Ants
215
Name the fly that lives in water
Caddisfly
216
What is a PLAIN
A falt broad area of land with no hills or mountains
217
Give an example of a PLAIN
AFRICAN SAVANNAH
218
How are plains formed
1. Volcanic activity
2. River activity
219
Name this animal
Possum
220
A natural empty space found in the ground, mountain or hill is called
CAVE
221
This tall wall of rock is called a
Cliff
222
Name Nine Landforms
1. Hills
2. Mountains
3. cliffs
4. canyon
5. lakes
6. rivers
7. oceans
8. Streams
223
A land that is raised and has slopes smaller than a mountain is called a
HILL
224
This flat high landscape that rises sharply about the surrounding area at least on one side is called
Plateau
225
A natural rise on the earths surface above the surrounding land is called
226
This area of lowland between hills or mountains often with a river is called
Valley
227
Two steep cliffs with a river running through it is called a
Canyon
228
Hills are bigger than Mountains
True or False
False
Mountains are bigger than Hills
229
Hills have a gentle slope and mountains have a steeper slope
True or False
True
230
What is the shape of hill top
Rounded
231
The shape of the mountain top
Sharp top
232
Mountain peaks are generally covered with
Snow
233
Name a major Landform
PLAIN
234
Name the two type of PLAINS
1. LAVA PLAINS
2.. ALLUVIAL PLAINS
3.OUTWASH PLAINS
235
What is the colour of the LAVA PLAINS
LAVA PLAINS appear darker in colour
236
How are LAVA PLAINS formed
Formed from volcanic activity with multuple layers of LAVA
237
How are OUTWASH PLAINS formed
From Glaciers
238
How are Alluvial PLAINS
When a river deposits its sediments
239
The sediments of the river is called
ALLUVIUM
240
Which is a larger water body a river or a lake
A River
241
Most lakes are surrounded by
Land
242
Where do most rivers end
In other water bodies like lakes oceans and sea
243
Which water body has a stronger waterflow
a river or a lake
River
244
What are the two shapes of the valley
1. u shaped valley
2. V shaped valley
245
A large and deep gap between two cliffs is called a
Canyon
246
Woody plants with mutiple stems close to the ground are called
Shrub
247
One of the most common tree in Eurpe and North America is
OAK TREE
248
Plants with a main wood trunk and are much taller are known as
TREES
249
The fruit of an OAK Tree is known as a
Acorn
250
Plants with soft delicate stems are called
Herbs
251
What are Herbs usually grown for
1. Food
2. Medicine
3. Perfume
252
Give two examples of Herbs
1. Basil
2. Oregano
253
A Tiny seed grows into a small plant or a big tree
True or False
True
254
The seed...........
a) Grows
b) Sprouts
Sprouts
255
What is GERMINATION
The growth of a plant from a seed is called Germination
256
Things needed to grow a Plant
1. Seed
2. soil
3. water
4. sunlight
257
The hard protective coat of the seed is called
SEED COAT
258
What are the parts of a seed
1. Seed Coat
2. Embryo
3. Stored Food
259
Inside the seed there is a tiny little plant called
EMBRYO
260
The EMBRYO inside the seed finally grows into
The adult Plant
261
This tiny plant that develops from the EMBRYO is called
Seedling
262
Does the size of the plant depend on the size of the seed
NO
The pumpkin seeds are bigger than the apple seeds but the apple tree is much bigger
263
Give five examples of HERBS
1. Basil
2. Oregano
3. Mint
4. Thyme
5. parsley
264
Are shrubs bigger than Herbs and shorter than trees
Yes
265
Which plants are bushy
Shrubs
266
Give three examples of Shrubs
1. Red raspberry
2. Cranberry
3. Hibiscus
267
Tree stems are thick and hard and are called
TRUNKS
268
Give examples of trees
1. Mango
2. Coconut
3. Pine
269
Name this tree
Pine Tree
270
Is Tomato a a herb or a shrub
Herb
271
When a plant becomes weak and starts bending towards the ground
Wilting
272
Is Lemon a shrub or a tree
Shrub
273
Conifers live for hundreds of years
True or False
True
274
A Plant that retains green leaves throughout the years are called
Evergreens
275
Give an example of Evergreens
Conifers
276
Give three characteristics of a Flowering Plant
1. Leaves are broad
2. They give flowers and fruits
3. the seeds are covered
277
Give three characteristics of a CONIFER
1. Leaves are needle shaped
2. They produce cones
3. seeds are naked
278
Give one example of a Flowering plant
Sunflower
279
Give an example of a Conifer
Pine Tree
280
Conifers are used to make.....
Paper
281
Name three Carnivorous plants
1. Venus Fly Trap
2. Sundew
3. Pitcher Plant
282
Name this plant
Pitcher Plant
283
Name this Plant
Venus Fly trap
284
Name this plant
Sundew
285
How does the Venus Fly Trap catch its prey
It senses Touch
286
How does a Sundew catch its prey
Through its sticky layer
287
How does the pitcher plant catch its prey
Uses special scents to catch its prey
288
All the muscles of the body together form the......system
MUSCULAR
289
Name the bones that protect the Brain
SKULL
290
The bones that protect the heart and lungs is called
The Ribcage
291
The bones that protect the intestines are the
Pelvic Bones
292
What is the importance of Bones
1. They give our bodies shape
2. They protect the internal organs
293
# Remember FAB SPILL
List the foods that help our bones
1. Figs
2. Almonds
3. Brocolli
4. Spinach
5. Milk
294
Name a Mineral that makes the bone strong
Calcium
295
Name a Vitamin that makes the bone strong
Vitamin D
296
Where is Vitamin D produced in the body
SKIN
with the help of sunlight
297
The bones are made up of a protein called
Collagen
298
The Biggest joint in the human body is the
Knee Joint
299
The tip of the nose is made up of
a) Bone
b) Cartilage
Cartilage
300
Our bones stop growing after a certain age
True or False
True
they stop growing by 20
301
Which part of the bone helps it grow longer
Cartilage
302
What time of the day are warm up exercises to be done
In the morning
303
Muscles that we can control are called
Voluntary Muscles
304
Muscles that are not in our control are called
Involuntary Muscles
305
The muscles that helps us chew are the
Jaw Muscles
306
In the body one of the strongest muscles are the
Jaw Muscles
307
The voluntary muscles are also known as
SKELETAL MUSCLES
308
Muscles that help us move the food along the digestive system are called
Smooth muscles
309
Are the smooth muscles voluntary or involuntary muscles
Involuntary Muscles
310
The hearthas a special type of muscle called the
Cardiac Muscle
311
Changes where things cannot go back to the way they were are called
IRREVERSIBLE CHANGES
312
Give five properties of Hard Things
1. Hard things cannot bend but shatter
2. Cannot change the shape easily when pressure is applied
3. Cannot cut
4. Cant be scratched but can scratch softer materials
313
What is an INSOLUBLE SUBSTANCE
Substances that do not mix easily in liquid are called INSOLUBLE SUBSTANCES
314
Substances that mix easily in liquids are called
Soluble substances
315
Is paper a Hard material or a soft material
Soft material
316
Different types of wood have different levels of Hardness
True or false
True
317
Name the different types of wood
1. Pine
2. Cherry
3. bamboo
4. oak
5. Teak
318
What is TEXTURE
The feel and appearance of an object is called Texture
319
Name four different types of textures
1. Rough
2. Smooth
3. Fuzzy
4. Bumpy
320
Give an example of a SOFT WOOD
Pine
321
Flowers have a scent called
Floral Scent
322
Name two Citrus scents
1. Lemons
2. Oranges
323
The human ear has three parts. Name them
1. Outer Ear
2. Middle Ear
3. Inner Ear
324
Other than hearing, the Ear has another important function
Its helps the body to balance
325
What is an ECOSYSTEM
A specific area which is home to certain creatures and plants is known as a ECOSYSTEM
326
The ECOSYSTEMS can be on Land or water
True or False
True
327
From where do the bees make honey
From Nectar
328
From where do the bees collect the Nectar
From Flowers
329
What is POLLINATION
The transfer of pollen from one flower to another is called POLLINATION
330
This very large snake is called the
Anaconda
330
This very large snake is called the
Anaconda
331
This very large snake is called the
Anaconda
332
This very large snake is called the
Anaconda
333
Where are the Anacondas found
In the Amazon Rain Forest
334
The Polar Bears are found in which region
Artic Region
335
Cutting of trees is known as
Deforestation
336
What is a SHELTER
A place to stay comfortably is called a Shelter
337
A good shelter stays.........and keeps the cold out
Warm
338
An empty hole in the trunk of a tree is called a
TREE HOLLOW
## Footnote
Squirrels and owls live in a tree hollow
339
Animals that live in a DEN
1. Tigers
2. Lions
3. wolves
4. Bears
340
Rabbits and Ants live in a
BURROW
341
This aquatic organism that is found in the water and is green in colour is called
Algae
342
Which organisms feed on the Algae
Insects
